40 Big Food Thinkers 40 and Under

After doing volunteer stints in Madagascar, Beach, 35, and McCollum, 33, returned in 2008 to found Madécasse, a chocolate company in which every step of the processnot only cultivation but also packaging and distributionis done locally. The result: a lot more income for workers. Says McCollum, "In some ways, making high-end chocolate in Africa is changing the course of chocolate history."